Service manual

SC TABLE
SM 4-41 G130/G131
SC No. Item Definition Possible Cause
Related
SCs
Troubleshooting Procedure Type
SC 900 Electric counter
error
Abnormal data is stored in the
counters.
• Defective NVRAM
• Power failure during an
access to the HDD
1. Turn the main switch off and on.
2. Check the connection between the
NVRAM and controller.
3. Replace the NVRAM.
4. Replace the controller.
CTL
SC 920 Printer
application
error
An error is detected in the
printer application program.
• Defective software
• Unexpected hardware
resource (e.g., memory
shortage)
1. Turn the main switch off and on.
CTL
SC 921 Printer font
error
A necessary font is not found in
the SD card.
• A necessary font is not
found in the SD card.
• The SD card data is
corrupted.
1. Check that the SD card stores
correct data.
CTL
SC 990 Software
performance
error
The software makes an
unexpected operation.
• Defective software
• Defective controller
• Software error
1. Turn the main switch off and on.
2. Reinstall the controller and/or engine
main firmware.
3. See NOTE 1 at the end of the SC
table.
CTL
SC 991 Software
continuity error
The software has attempted to
perform an unexpected
operation. However, unlike SC
990, the object of the error is
continuity of the software.
• Software program error
• Internal parameter
incorrect, insufficient
working memory.
This SC is not displayed on the LCD
(logging only).
CTL
SC 992 Undefined error An undefined error has
occurred.
• Defective software
program
CTL
SC 995 BCU error The DIP switch on the BCU is
incorrectly set.
• The DIP switch on the
BCU is incorrectly set.
1. Set the DIP switch correctly.
2. Turn the main switch off and on.
D